447647013 has 16 divisors (see below), whose sum is σ = 723470400. Its totient is φ = 271301040.

The previous prime is 447646993. The next prime is 447647021. The reversal of 447647013 is 310746744.

It is a happy number.

447647013 is a `hidden beast` number, since 4 + 4 + 7 + 647 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 447647013 - 2⁵ = 447646981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447647813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753318 + ... + 753911.

It is an arithmetic number, because the mean of its divisors is an integer number (45216900).

Almost surely, 2^447647013 is an apocalyptic number.

It is an amenable number.

447647013 is a deficient number, since it is larger than the sum of its proper divisors (275823387).

447647013 is a wasteful number, since it uses less digits than its factorization.

447647013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507249 (or 1507243 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 447647013 is about 21157.6703112606. The cubic root of 447647013 is about 764.9714560668.

The spelling of 447647013 in words is "four hundred forty-seven million, six hundred forty-seven thousand, thirteen".